package handlers

import (
	"github.com/gin-gonic/gin"
	"multi-ctrl-sys/cache"
	"multi-ctrl-sys/models"
	"multi-ctrl-sys/pkg"
	"strconv"
	"time"
)

func Login(c *gin.Context) {
	username := c.PostForm("username")
	password := c.PostForm("password")

	if username == "" || password == "" {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "字段不能为空",
		})
		return
	}

	redis_key := "login_error_" + username
	errCount, _ := cache.Rdb.Get(cache.Ctx, redis_key).Int()

	if errCount >= 3 {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "密码错误大于等于3次,禁止登录",
		})
		return
	}

	var user models.User
	err := models.DB.Where("username = ?", username).Find(&user).Error
	if err != nil {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "用户查询失败",
		})
		return
	}

	if user.ID == 0 {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "账号或密码错误",
		})
		return
	}

	if user.Password != pkg.Md5(password) {
		cache.Rdb.Incr(cache.Ctx, redis_key)
		if errCount == 2 {
			cache.Rdb.Set(cache.Ctx, redis_key, 3, time.Hour*2)
			c.JSON(200, gin.H{
				"code": 500,
				"msg":  "密码错误3次,封禁2小时",
			})
			return
		}

		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "密码错误",
		})
		return

	}

	c.JSON(200, gin.H{
		"code": 200,
		"msg":  "登陆成功",
		"data": user,
	})
	return

}

func RoleNode(c *gin.Context) {
	rid, _ := strconv.Atoi(c.PostForm("rid"))
	nid, _ := strconv.Atoi(c.PostForm("nid"))

	data := models.RoleNode{
		Rid: rid,
		Nid: nid,
	}
	err := models.DB.Create(&data).Error
	if err != nil {
		c.JSON(200, gin.H{
			"code": 500,
			"msg":  "添加失败",
		})
		return
	}

	c.JSON(200, gin.H{
		"code": 200,
		"msg":  "添加成功",
	})
	return

}

func UserRoleList(c *gin.Context) {
	//SELECT
	//*
	//FROM
	//roles
	//LEFT JOIN user_roles ON user_roles.rid = roles.id
	//WHERE user_roles.uid = 1

	uid := c.Query("uid")

	var role []models.Role

	models.DB.
		Table("roles").
		Joins("LEFT JOIN user_roles ON user_roles.rid = roles.id").
		Where("user_roles.uid = ?", uid).
		Debug().
		Find(&role)

	c.JSON(200, gin.H{
		"code": 200,
		"msg":  "列表展示成功",
		"data": role,
	})
	return

}

func RoleNodeList(c *gin.Context) {
	rid := c.Query("rid")

	var node []models.Node

	models.DB.
		Table("nodes").
		Joins("LEFT JOIN role_nodes ON role_nodes.nid = nodes.id").
		Where("role_nodes.rid = ?", rid).
		Debug().
		Find(&node)

	c.JSON(200, gin.H{
		"code": 200,
		"msg":  "列表展示成功",
		"data": node,
	})
	return
}
